Re: [PATCH v4 2/3] dt-bindings: media: ov772x: Make bus-type mandatory

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Hi Laurent,

On Thu, Sep 03, 2020 at 03:10:28PM +0200, Jacopo Mondi wrote:
> In order to establish required properties based on the selected
> bus type, make the 'bus-type' property mandatory. As this change
> documents an endpoint property, also document the 'remote-endpoint'
> one now that the 'endpoint' schema has been expanded.
>
> Binary compatibility with existing DTB is kept as the driver does not
> enforce the property to be present, and shall fall-back to default
> parallel bus configuration, which was the only supported bus type, if
> the property is not specified.
>
> Reviewed-by: Rob Herring <robh@xxxxxxxxxx>
> Reviewed-by: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx>
> Reviewed-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@xxxxxxxxxxxxxx>
> Signed-off-by: Jacopo Mondi <jacopo+renesas@xxxxxxxxxx>
> ---
>  .../bindings/media/i2c/ovti,ov772x.yaml       | 20 +++++++++++++++++++
>  1 file changed, 20 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/media/i2c/ovti,ov772x.yaml b/Documentation/devicetree/bindings/media/i2c/ovti,ov772x.yaml
> index e7e2d31fcc23..406e9cd463a2 100644
> --- a/Documentation/devicetree/bindings/media/i2c/ovti,ov772x.yaml
> +++ b/Documentation/devicetree/bindings/media/i2c/ovti,ov772x.yaml
> @@ -41,6 +41,25 @@ properties:
>      description: |
>        Video output port. See ../video-interfaces.txt.
>
> +    properties:
> +      endpoint:
> +        type: object
> +
> +        properties:
> +          remote-endpoint:
> +            description: See ../video-interfaces.txt

So I guess the same as you suggested for imx214 applies here (drop
remote-endpoint)

> +
> +          bus-type:
> +            enum: [5, 6]
> +
> +        required:
> +          - remote-endpoint
> +          - bus-type
> +
> +        additionalProperties: false
> +
> +    additionalProperties: false
> +
>  required:
>    - compatible
>    - reg
> @@ -65,6 +84,7 @@ examples:
>
>              port {
>                  ov772x_0: endpoint {
> +                    bus-type = <5>;
>                      remote-endpoint = <&vcap1_in0>;
>                  };
>              };
> --
> 2.28.0
>



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